United States Patent 3483960
Inventors:
Wightman, Dixon B.
Burke, Thomas L.
Publication Date:
12/16/1969
Assignee:
ALLIED FARM EQUIPMENT INC
Other Classes:
198/642, 406/161, 37/259, 414/389, 198/641, 37/260, 198/518, 406/41
International Classes:
A01C3/04; A01K31/04; A01C3/00; A01K31/00; B65G65/02